344564403450 has 48 divisors (see below), whose sum is σ = 858251333280. Its totient is φ = 91482592320.

The previous prime is 344564403431. The next prime is 344564403461. The reversal of 344564403450 is 54304465443.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4981144 + ... + 5049843.

It is an arithmetic number, because the mean of its divisors is an integer number (17880236110).

Almost surely, 2^344564403450 is an apocalyptic number.

344564403450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344564403450 is an abundant number, since it is smaller than the sum of its proper divisors (513686929830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344564403450 is a wasteful number, since it uses less digits than its factorization.

344564403450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031231 (or 10031226 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 344564403450 its reverse (54304465443), we get a palindrome (398868868893).

The spelling of 344564403450 in words is "three hundred forty-four billion, five hundred sixty-four million, four hundred three thousand, four hundred fifty".